Sippy cup



FIG. 1 is a perspective view from above of my sippy cup design;

FIG. 2 is a perspective view from below of my sippy cup design;

FIG. 3 is a front elevation of my sippy cup design;

FIG. 4 is a rear elevation of my sippy cup design;

FIG. 5 is a right side elevation of my sippy cup design, with the left side elevation being a mirror image of FIG. 5;

FIG. 6 is a top plan view of my sippy cup design; and,

FIG. 7 is a bottom view of my sippy cup design.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design of a sippy cup, as shown and described. 